/** * @license * Visual Blocks Editor * * Copyright 2012 Google Inc. * https://developers.google.com/blockly/ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * @fileoverview Text blocks for Blockly. * @author fraser@google.com (Neil Fraser) */ 'use strict'; goog.provide('Blockly.Blocks.texts'); // Deprecated goog.provide('Blockly.Constants.Text'); goog.require('Blockly.Blocks'); goog.require('Blockly'); /** * Common HSV hue for all blocks in this category. * Should be the same as Blockly.Msg.TEXTS_HUE * @readonly */ Blockly.Constants.Text.HUE = 160; /** @deprecated Use Blockly.Constants.Text.HUE */ Blockly.Blocks.texts.HUE = Blockly.Constants.Text.HUE; Blockly.defineBlocksWithJsonArray([ // BEGIN JSON EXTRACT // Block for text value { "type": "text", "message0": "%1", "args0": [{ "type": "field_input", "name": "TEXT", "text": "" }], "output": "String", "colour": "%{BKY_TEXTS_HUE}", "helpUrl": "%{BKY_TEXT_TEXT_HELPURL}", "tooltip": "%{BKY_TEXT_TEXT_TOOLTIP}", "extensions": [ "text_quotes", "parent_tooltip_when_inline" ] }, { "type": "text_join", "message0": "", "output": "String", "colour": "%{BKY_TEXTS_HUE}", "helpUrl": "%{BKY_TEXT_JOIN_HELPURL}", "tooltip": "%{BKY_TEXT_JOIN_TOOLTIP}", "mutator": "text_join_mutator" }, { "type": "text_create_join_container", "message0": "%{BKY_TEXT_CREATE_JOIN_TITLE_JOIN} %1 %2", "args0": [{ "type": "input_dummy" }, { "type": "input_statement", "name": "STACK" }], "colour": "%{BKY_TEXTS_HUE}", "tooltip": "%{BKY_TEXT_CREATE_JOIN_TOOLTIP}", "enableContextMenu": false }, { "type": "text_create_join_item", "message0": "%{BKY_TEXT_CREATE_JOIN_ITEM_TITLE_ITEM}", "previousStatement": null, "nextStatement": null, "colour": "%{BKY_TEXTS_HUE}", "tooltip": "{%BKY_TEXT_CREATE_JOIN_ITEM_TOOLTIP}", "enableContextMenu": false }, { "type": "text_append", "message0": "%{BKY_TEXT_APPEND_TITLE}", "args0": [{ "type": "field_variable", "name": "VAR", "variable": "%{BKY_TEXT_APPEND_VARIABLE}" }, { "type": "input_value", "name": "TEXT" }], "previousStatement": null, "nextStatement": null, "colour": "%{BKY_TEXTS_HUE}", "extensions": [ "text_append_tooltip" ] }, { "type": "text_length", "message0": "%{BKY_TEXT_LENGTH_TITLE}", "args0": [ { "type": "input_value", "name": "VALUE", "check": ['String', 'Array'] } ], "output": 'Number', "colour": "%{BKY_TEXTS_HUE}", "tooltip": "%{BKY_TEXT_LENGTH_TOOLTIP}", "helpUrl": "%{BKY_TEXT_LENGTH_HELPURL}" }, { "type": "text_isEmpty", "message0": "%{BKY_TEXT_ISEMPTY_TITLE}", "args0": [ { "type": "input_value", "name": "VALUE", "check": ['String', 'Array'] } ], "output": 'Boolean', "colour": "%{BKY_TEXTS_HUE}", "tooltip": "%{BKY_TEXT_ISEMPTY_TOOLTIP}", "helpUrl": "%{BKY_TEXT_ISEMPTY_HELPURL}" }, { "type": "text_indexOf", "message0": "%{BKY_TEXT_INDEXOF_TITLE}", "args0": [ { "type": "input_value", "name": "VALUE", "check": "String" }, { "type": "field_dropdown", "name": "END", "options": [ [ "%{BKY_TEXT_INDEXOF_OPERATOR_FIRST}", "FIRST" ], [ "%{BKY_TEXT_INDEXOF_OPERATOR_LAST}", "LAST" ] ] }, { "type": "input_value", "name": "FIND", "check": "String" } ], "output": "Number", "colour": "%{BKY_TEXTS_HUE}", "helpUrl": "%{BKY_TEXT_INDEXOF_HELPURL}", "inputsInline": true, "extensions": [ "text_indexOf_tooltip" ] }, { "type": "text_charAt", "message0": "%{BKY_TEXT_CHARAT_TITLE}", // "in text %1 %2" "args0": [ { "type":"input_value", "name": "VALUE", "check": "String" }, { "type": "field_dropdown", "name": "WHERE", "options": [["%{BKY_TEXT_CHARAT_FROM_START}", "FROM_START"], ["%{BKY_TEXT_CHARAT_FROM_END}", "FROM_END"], ["%{BKY_TEXT_CHARAT_FIRST}", "FIRST"], ["%{BKY_TEXT_CHARAT_LAST}", "LAST"], ["%{BKY_TEXT_CHARAT_RANDOM}", "RANDOM"]] } ], "output": "String", "colour": "%{BKY_TEXTS_HUE}", "helpUrl": "%{BKY_TEXT_CHARAT_HELPURL}", "inputsInline": true, "mutator": "text_charAt_mutator" } ]); // END JSON EXTRACT (Do not delete this comment.) Blockly.Blocks['text_getSubstring'] = { /** * Block for getting substring. * @this Blockly.Block */ init: function() { this['WHERE_OPTIONS_1'] = [ [Blockly.Msg.TEXT_GET_SUBSTRING_START_FROM_START, 'FROM_START'], [Blockly.Msg.TEXT_GET_SUBSTRING_START_FROM_END, 'FROM_END'], [Blockly.Msg.TEXT_GET_SUBSTRING_START_FIRST, 'FIRST'] ]; this['WHERE_OPTIONS_2'] = [ [Blockly.Msg.TEXT_GET_SUBSTRING_END_FROM_START, 'FROM_START'], [Blockly.Msg.TEXT_GET_SUBSTRING_END_FROM_END, 'FROM_END'], [Blockly.Msg.TEXT_GET_SUBSTRING_END_LAST, 'LAST'] ]; this.setHelpUrl(Blockly.Msg.TEXT_GET_SUBSTRING_HELPURL); this.setColour(Blockly.Blocks.texts.HUE); this.appendValueInput('STRING') .setCheck('String') .appendField(Blockly.Msg.TEXT_GET_SUBSTRING_INPUT_IN_TEXT); this.appendDummyInput('AT1'); this.appendDummyInput('AT2'); if (Blockly.Msg.TEXT_GET_SUBSTRING_TAIL) { this.appendDummyInput('TAIL') .appendField(Blockly.Msg.TEXT_GET_SUBSTRING_TAIL); } this.setInputsInline(true); this.setOutput(true, 'String'); this.updateAt_(1, true); this.updateAt_(2, true); this.setTooltip(Blockly.Msg.TEXT_GET_SUBSTRING_TOOLTIP); }, /** * Create XML to represent whether there are 'AT' inputs. * @return {!Element} XML storage element. * @this Blockly.Block */ mutationToDom: function() { var container = document.createElement('mutation'); var isAt1 = this.getInput('AT1').type == Blockly.INPUT_VALUE; container.setAttribute('at1', isAt1); var isAt2 = this.getInput('AT2').type == Blockly.INPUT_VALUE; container.setAttribute('at2', isAt2); return container; }, /** * Parse XML to restore the 'AT' inputs. * @param {!Element} xmlElement XML storage element. * @this Blockly.Block */ domToMutation: function(xmlElement) { var isAt1 = (xmlElement.getAttribute('at1') == 'true'); var isAt2 = (xmlElement.getAttribute('at2') == 'true'); this.updateAt_(1, isAt1); this.updateAt_(2, isAt2); }, /** * Create or delete an input for a numeric index. * This block has two such inputs, independant of each other. * @param {number} n Specify first or second input (1 or 2). * @param {boolean} isAt True if the input should exist. * @private * @this Blockly.Block */ updateAt_: function(n, isAt) { // Create or delete an input for the numeric index. // Destroy old 'AT' and 'ORDINAL' inputs. this.removeInput('AT' + n); this.removeInput('ORDINAL' + n, true); // Create either a value 'AT' input or a dummy input. if (isAt) { this.appendValueInput('AT' + n).setCheck('Number'); if (Blockly.Msg.ORDINAL_NUMBER_SUFFIX) { this.appendDummyInput('ORDINAL' + n) .appendField(Blockly.Msg.ORDINAL_NUMBER_SUFFIX); } } else { this.appendDummyInput('AT' + n); } // Move tail, if present, to end of block. if (n == 2 && Blockly.Msg.TEXT_GET_SUBSTRING_TAIL) { this.removeInput('TAIL', true); this.appendDummyInput('TAIL') .appendField(Blockly.Msg.TEXT_GET_SUBSTRING_TAIL); } var menu = new Blockly.FieldDropdown(this['WHERE_OPTIONS_' + n], function(value) { var newAt = (value == 'FROM_START') || (value == 'FROM_END'); // The 'isAt' variable is available due to this function being a // closure. if (newAt != isAt) { var block = this.sourceBlock_; block.updateAt_(n, newAt); // This menu has been destroyed and replaced. // Update the replacement. block.setFieldValue(value, 'WHERE' + n); return null; } return undefined; }); this.getInput('AT' + n) .appendField(menu, 'WHERE' + n); if (n == 1) { this.moveInputBefore('AT1', 'AT2'); } } }; Blockly.Blocks['text_changeCase'] = { /** * Block for changing capitalization. * @this Blockly.Block */ init: function() { var OPERATORS = [ [Blockly.Msg.TEXT_CHANGECASE_OPERATOR_UPPERCASE, 'UPPERCASE'], [Blockly.Msg.TEXT_CHANGECASE_OPERATOR_LOWERCASE, 'LOWERCASE'], [Blockly.Msg.TEXT_CHANGECASE_OPERATOR_TITLECASE, 'TITLECASE'] ]; this.setHelpUrl(Blockly.Msg.TEXT_CHANGECASE_HELPURL); this.setColour(Blockly.Blocks.texts.HUE); this.appendValueInput('TEXT') .setCheck('String') .appendField(new Blockly.FieldDropdown(OPERATORS), 'CASE'); this.setOutput(true, 'String'); this.setTooltip(Blockly.Msg.TEXT_CHANGECASE_TOOLTIP); } }; Blockly.Blocks['text_trim'] = { /** * Block for trimming spaces. * @this Blockly.Block */ init: function() { var OPERATORS = [ [Blockly.Msg.TEXT_TRIM_OPERATOR_BOTH, 'BOTH'], [Blockly.Msg.TEXT_TRIM_OPERATOR_LEFT, 'LEFT'], [Blockly.Msg.TEXT_TRIM_OPERATOR_RIGHT, 'RIGHT'] ]; this.setHelpUrl(Blockly.Msg.TEXT_TRIM_HELPURL); this.setColour(Blockly.Blocks.texts.HUE); this.appendValueInput('TEXT') .setCheck('String') .appendField(new Blockly.FieldDropdown(OPERATORS), 'MODE'); this.setOutput(true, 'String'); this.setTooltip(Blockly.Msg.TEXT_TRIM_TOOLTIP); } }; Blockly.Blocks['text_print'] = { /** * Block for print statement. * @this Blockly.Block */ init: function() { this.jsonInit({ "message0": Blockly.Msg.TEXT_PRINT_TITLE, "args0": [ { "type": "input_value", "name": "TEXT" } ], "previousStatement": null, "nextStatement": null, "colour": Blockly.Blocks.texts.HUE, "tooltip": Blockly.Msg.TEXT_PRINT_TOOLTIP, "helpUrl": Blockly.Msg.TEXT_PRINT_HELPURL }); } }; Blockly.Blocks['text_prompt_ext'] = { /** * Block for prompt function (external message). * @this Blockly.Block */ init: function() { var TYPES = [ [Blockly.Msg.TEXT_PROMPT_TYPE_TEXT, 'TEXT'], [Blockly.Msg.TEXT_PROMPT_TYPE_NUMBER, 'NUMBER'] ]; this.setHelpUrl(Blockly.Msg.TEXT_PROMPT_HELPURL); this.setColour(Blockly.Blocks.texts.HUE); // Assign 'this' to a variable for use in the closures below. var thisBlock = this; var dropdown = new Blockly.FieldDropdown(TYPES, function(newOp) { thisBlock.updateType_(newOp); }); this.appendValueInput('TEXT') .appendField(dropdown, 'TYPE'); this.setOutput(true, 'String'); this.setTooltip(function() { return (thisBlock.getFieldValue('TYPE') == 'TEXT') ? Blockly.Msg.TEXT_PROMPT_TOOLTIP_TEXT : Blockly.Msg.TEXT_PROMPT_TOOLTIP_NUMBER; }); }, /** * Modify this block to have the correct output type. * @param {string} newOp Either 'TEXT' or 'NUMBER'. * @private * @this Blockly.Block */ updateType_: function(newOp) { this.outputConnection.setCheck(newOp == 'NUMBER' ? 'Number' : 'String'); }, /** * Create XML to represent the output type. * @return {!Element} XML storage element. * @this Blockly.Block */ mutationToDom: function() { var container = document.createElement('mutation'); container.setAttribute('type', this.getFieldValue('TYPE')); return container; }, /** * Parse XML to restore the output type. * @param {!Element} xmlElement XML storage element. * @this Blockly.Block */ domToMutation: function(xmlElement) { this.updateType_(xmlElement.getAttribute('type')); } }; Blockly.Blocks['text_prompt'] = { /** * Block for prompt function (internal message). * The 'text_prompt_ext' block is preferred as it is more flexible. * @this Blockly.Block */ init: function() { this.mixin(Blockly.Constants.Text.QUOTE_IMAGE_MIXIN); var TYPES = [ [Blockly.Msg.TEXT_PROMPT_TYPE_TEXT, 'TEXT'], [Blockly.Msg.TEXT_PROMPT_TYPE_NUMBER, 'NUMBER'] ]; // Assign 'this' to a variable for use in the closures below. var thisBlock = this; this.setHelpUrl(Blockly.Msg.TEXT_PROMPT_HELPURL); this.setColour(Blockly.Blocks.texts.HUE); var dropdown = new Blockly.FieldDropdown(TYPES, function(newOp) { thisBlock.updateType_(newOp); }); this.appendDummyInput() .appendField(dropdown, 'TYPE') .appendField(this.newQuote_(true)) .appendField(new Blockly.FieldTextInput(''), 'TEXT') .appendField(this.newQuote_(false)); this.setOutput(true, 'String'); this.setTooltip(function() { return (thisBlock.getFieldValue('TYPE') == 'TEXT') ? Blockly.Msg.TEXT_PROMPT_TOOLTIP_TEXT : Blockly.Msg.TEXT_PROMPT_TOOLTIP_NUMBER; }); }, updateType_: Blockly.Blocks['text_prompt_ext'].updateType_, mutationToDom: Blockly.Blocks['text_prompt_ext'].mutationToDom, domToMutation: Blockly.Blocks['text_prompt_ext'].domToMutation }; Blockly.Blocks['text_count'] = { /** * Block for counting how many times one string appears within another string. * @this Blockly.Block */ init: function() { this.jsonInit({ "message0": Blockly.Msg.TEXT_COUNT_MESSAGE0, "args0": [ { "type": "input_value", "name": "SUB", "check": "String" }, { "type": "input_value", "name": "TEXT", "check": "String" } ], "output": "Number", "inputsInline": true, "colour": Blockly.Blocks.texts.HUE, "tooltip": Blockly.Msg.TEXT_COUNT_TOOLTIP, "helpUrl": Blockly.Msg.TEXT_COUNT_HELPURL }); } }; Blockly.Blocks['text_replace'] = { /** * Block for replacing one string with another in the text. * @this Blockly.Block */ init: function() { this.jsonInit({ "message0": Blockly.Msg.TEXT_REPLACE_MESSAGE0, "args0": [ { "type": "input_value", "name": "FROM", "check": "String" }, { "type": "input_value", "name": "TO", "check": "String" }, { "type": "input_value", "name": "TEXT", "check": "String" } ], "output": "String", "inputsInline": true, "colour": Blockly.Blocks.texts.HUE, "tooltip": Blockly.Msg.TEXT_REPLACE_TOOLTIP, "helpUrl": Blockly.Msg.TEXT_REPLACE_HELPURL }); } }; Blockly.Blocks['text_reverse'] = { /** * Block for reversing a string. * @this Blockly.Block */ init: function() { this.jsonInit({ "message0": Blockly.Msg.TEXT_REVERSE_MESSAGE0, "args0": [ { "type": "input_value", "name": "TEXT", "check": "String" } ], "output": "String", "inputsInline": true, "colour": Blockly.Blocks.texts.HUE, "tooltip": Blockly.Msg.TEXT_REVERSE_TOOLTIP, "helpUrl": Blockly.Msg.TEXT_REVERSE_HELPURL }); } }; /** * * @mixin * @package * @readonly */ Blockly.Constants.Text.QUOTE_IMAGE_MIXIN = { /** * Image data URI of an LTR opening double quote (same as RTL closing double quote). * @readonly */ QUOTE_IMAGE_LEFT_DATAURI: 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAKCAQAAAAqJXdxAAAA' + 'n0lEQVQI1z3OMa5BURSF4f/cQhAKjUQhuQmFNwGJEUi0RKN5rU7FHKhpjEH3TEMtkdBSCY' + '1EIv8r7nFX9e29V7EBAOvu7RPjwmWGH/VuF8CyN9/OAdvqIXYLvtRaNjx9mMTDyo+NjAN1' + 'HNcl9ZQ5oQMM3dgDUqDo1l8DzvwmtZN7mnD+PkmLa+4mhrxVA9fRowBWmVBhFy5gYEjKMf' + 'z9AylsaRRgGzvZAAAAAElFTkSuQmCC', /** * Image data URI of an LTR closing double quote (same as RTL opening double quote). * @readonly */ QUOTE_IMAGE_RIGHT_DATAURI: 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAKCAQAAAAqJXdxAAAA' + 'qUlEQVQI1z3KvUpCcRiA8ef9E4JNHhI0aFEacm1o0BsI0Slx8wa8gLauoDnoBhq7DcfWhg' + 'gONDmJJgqCPA7neJ7p934EOOKOnM8Q7PDElo/4x4lFb2DmuUjcUzS3URnGib9qaPNbuXvB' + 'O3sGPHJDRG6fGVdMSeWDP2q99FQdFrz26Gu5Tq7dFMzUvbXy8KXeAj57cOklgA+u1B5Aos' + 'lLtGIHQMaCVnwDnADZIFIrXsoXrgAAAABJRU5ErkJggg==', /** * Pixel width of QUOTE_IMAGE_LEFT_DATAURI and QUOTE_IMAGE_RIGHT_DATAURI. * @readonly */ QUOTE_IMAGE_WIDTH: 12, /** * Pixel height of QUOTE_IMAGE_LEFT_DATAURI and QUOTE_IMAGE_RIGHT_DATAURI. * @readonly */ QUOTE_IMAGE_HEIGHT: 12, /** * Inserts appropriate quote images before and after the named field. * @param {string} fieldName The name of the field to wrap with quotes. * @this Blockly.Block */ quoteField_: function(fieldName) { for (var i = 0, input; input = this.inputList[i]; i++) { for (var j = 0, field; field = input.fieldRow[j]; j++) { if (fieldName == field.name) { input.insertFieldAt(j, this.newQuote_(true)); input.insertFieldAt(j + 2, this.newQuote_(false)); return; } } } console.warn('field named "' + fieldName + '" not found in ' + this.toDevString()); }, /** * A helper function that generates a FieldImage of an opening or * closing double quote. The selected quote will be adapted for RTL blocks. * @param {boolean} open If the image should be open quote (“ in LTR). * Otherwise, a closing quote is used (” in LTR). * @returns {!Blockly.FieldImage} The new field. * @this Blockly.Block */ newQuote_: function(open) { var isLeft = this.RTL? !open : open; var dataUri = isLeft ? this.QUOTE_IMAGE_LEFT_DATAURI : this.QUOTE_IMAGE_RIGHT_DATAURI; return new Blockly.FieldImage( dataUri, this.QUOTE_IMAGE_WIDTH, this.QUOTE_IMAGE_HEIGHT, isLeft ? '\u201C' : '\u201D'); } }; /** Wraps TEXT field with images of double quote characters. */ Blockly.Constants.Text.TEXT_QUOTES_EXTENSION = function() { this.mixin(Blockly.Constants.Text.QUOTE_IMAGE_MIXIN); this.quoteField_('TEXT'); }; /** * Mixin for mutator functions in the 'text_join_mutator' extension. * @mixin * @augments Blockly.Block * @package */ Blockly.Constants.Text.TEXT_JOIN_MUTATOR_MIXIN = { /** * Create XML to represent number of text inputs. * @return {!Element} XML storage element. * @this Blockly.Block */ mutationToDom: function() { var container = document.createElement('mutation'); container.setAttribute('items', this.itemCount_); return container; }, /** * Parse XML to restore the text inputs. * @param {!Element} xmlElement XML storage element. * @this Blockly.Block */ domToMutation: function(xmlElement) { this.itemCount_ = parseInt(xmlElement.getAttribute('items'), 10); this.updateShape_(); }, /** * Populate the mutator's dialog with this block's components. * @param {!Blockly.Workspace} workspace Mutator's workspace. * @return {!Blockly.Block} Root block in mutator. * @this Blockly.Block */ decompose: function(workspace) { var containerBlock = workspace.newBlock('text_create_join_container'); containerBlock.initSvg(); var connection = containerBlock.getInput('STACK').connection; for (var i = 0; i < this.itemCount_; i++) { var itemBlock = workspace.newBlock('text_create_join_item'); itemBlock.initSvg(); connection.connect(itemBlock.previousConnection); connection = itemBlock.nextConnection; } return containerBlock; }, /** * Reconfigure this block based on the mutator dialog's components. * @param {!Blockly.Block} containerBlock Root block in mutator. * @this Blockly.Block */ compose: function(containerBlock) { var itemBlock = containerBlock.getInputTargetBlock('STACK'); // Count number of inputs. var connections = []; while (itemBlock) { connections.push(itemBlock.valueConnection_); itemBlock = itemBlock.nextConnection && itemBlock.nextConnection.targetBlock(); } // Disconnect any children that don't belong. for (var i = 0; i < this.itemCount_; i++) { var connection = this.getInput('ADD' + i).connection.targetConnection; if (connection && connections.indexOf(connection) == -1) { connection.disconnect(); } } this.itemCount_ = connections.length; this.updateShape_(); // Reconnect any child blocks. for (var i = 0; i < this.itemCount_; i++) { Blockly.Mutator.reconnect(connections[i], this, 'ADD' + i); } }, /** * Store pointers to any connected child blocks. * @param {!Blockly.Block} containerBlock Root block in mutator. * @this Blockly.Block */ saveConnections: function(containerBlock) { var itemBlock = containerBlock.getInputTargetBlock('STACK'); var i = 0; while (itemBlock) { var input = this.getInput('ADD' + i); itemBlock.valueConnection_ = input && input.connection.targetConnection; i++; itemBlock = itemBlock.nextConnection && itemBlock.nextConnection.targetBlock(); } }, /** * Modify this block to have the correct number of inputs. * @private * @this Blockly.Block */ updateShape_: function() { if (this.itemCount_ && this.getInput('EMPTY')) { this.removeInput('EMPTY'); } else if (!this.itemCount_ && !this.getInput('EMPTY')) { this.appendDummyInput('EMPTY') .appendField(this.newQuote_(true)) .appendField(this.newQuote_(false)); } // Add new inputs. for (var i = 0; i < this.itemCount_; i++) { if (!this.getInput('ADD' + i)) { var input = this.appendValueInput('ADD' + i); if (i == 0) { input.appendField(Blockly.Msg.TEXT_JOIN_TITLE_CREATEWITH); } } } // Remove deleted inputs. while (this.getInput('ADD' + i)) { this.removeInput('ADD' + i); i++; } } }; // Performs final setup of a text_join block. Blockly.Constants.Text.TEXT_JOIN_EXTENSION = function() { // Add the quote mixin for the itemCount_ = 0 case. this.mixin(Blockly.Constants.Text.QUOTE_IMAGE_MIXIN); // Initialize the mutator values. this.itemCount_ = 2; this.updateShape_(); // Configure the mutator UI. this.setMutator(new Blockly.Mutator(['text_create_join_item'])); }; Blockly.Constants.Text.TEXT_APPEND_TOOLTIP_EXTENSION = function() { // Assign 'this' to a variable for use in the tooltip closure below. var thisBlock = this; this.setTooltip(function() { if (Blockly.Msg.TEXT_APPEND_TOOLTIP) { return Blockly.Msg.TEXT_APPEND_TOOLTIP.replace('%1', thisBlock.getFieldValue('VAR')); } return ''; }); }; Blockly.Constants.Text.TEXT_INDEXOF_TOOLTIP_EXTENSION = function() { // Assign 'this' to a variable for use in the tooltip closure below. var thisBlock = this; this.setTooltip(function() { return Blockly.Msg.TEXT_INDEXOF_TOOLTIP.replace('%1', thisBlock.workspace.options.oneBasedIndex ? '0' : '-1'); }); }; /** * Mixin for mutator functions in the 'text_charAt_mutator' extension. * @mixin * @augments Blockly.Block * @package */ Blockly.Constants.Text.TEXT_CHARAT_MUTATOR_MIXIN = { /** * Create XML to represent whether there is an 'AT' input. * @return {!Element} XML storage element. * @this Blockly.Block */ mutationToDom: function() { var container = document.createElement('mutation'); container.setAttribute('at', !!this.isAt_); return container; }, /** * Parse XML to restore the 'AT' input. * @param {!Element} xmlElement XML storage element. * @this Blockly.Block */ domToMutation: function(xmlElement) { // Note: Until January 2013 this block did not have mutations, // so 'at' defaults to true. var isAt = (xmlElement.getAttribute('at') != 'false'); this.updateAt_(isAt); }, /** * Create or delete an input for the numeric index. * @param {boolean} isAt True if the input should exist. * @private * @this Blockly.Block */ updateAt_: function(isAt) { // Destroy old 'AT' and 'ORDINAL' inputs. this.removeInput('AT', true); this.removeInput('ORDINAL', true); // Create either a value 'AT' input or a dummy input. if (isAt) { this.appendValueInput('AT').setCheck('Number'); if (Blockly.Msg.ORDINAL_NUMBER_SUFFIX) { this.appendDummyInput('ORDINAL') .appendField(Blockly.Msg.ORDINAL_NUMBER_SUFFIX); } } if (Blockly.Msg.TEXT_CHARAT_TAIL) { this.removeInput('TAIL', true); this.appendDummyInput('TAIL') .appendField(Blockly.Msg.TEXT_CHARAT_TAIL); } this.isAt_ = isAt; } }; // Does the initial mutator update of text_charAt and adds the tooltip Blockly.Constants.Text.TEXT_CHARAT_EXTENSION = function() { var dropdown = this.getField('WHERE'); dropdown.setValidator(function(value) { var newAt = (value == 'FROM_START') || (value == 'FROM_END'); if (newAt != this.isAt_) { var block = this.sourceBlock_; block.updateAt_(newAt); // This menu has been destroyed and replaced. Update the replacement. block.setFieldValue(value, 'WHERE'); return null; } return undefined; }); this.updateAt_(true); // Assign 'this' to a variable for use in the tooltip closure below. var thisBlock = this; this.setTooltip(function() { var where = thisBlock.getFieldValue('WHERE'); var tooltip = Blockly.Msg.TEXT_CHARAT_TOOLTIP; if (where == 'FROM_START' || where == 'FROM_END') { var msg = (where == 'FROM_START') ? Blockly.Msg.LISTS_INDEX_FROM_START_TOOLTIP : Blockly.Msg.LISTS_INDEX_FROM_END_TOOLTIP; if (msg) { tooltip += ' ' + msg.replace('%1', thisBlock.workspace.options.oneBasedIndex ? '#1' : '#0'); } } return tooltip; }); }; Blockly.Extensions.register('text_indexOf_tooltip', Blockly.Constants.Text.TEXT_INDEXOF_TOOLTIP_EXTENSION); Blockly.Extensions.register('text_quotes', Blockly.Constants.Text.TEXT_QUOTES_EXTENSION); Blockly.Extensions.register('text_append_tooltip', Blockly.Constants.Text.TEXT_APPEND_TOOLTIP_EXTENSION); Blockly.Extensions.registerMutator('text_join_mutator', Blockly.Constants.Text.TEXT_JOIN_MUTATOR_MIXIN, Blockly.Constants.Text.TEXT_JOIN_EXTENSION); Blockly.Extensions.registerMutator('text_charAt_mutator', Blockly.Constants.Text.TEXT_CHARAT_MUTATOR_MIXIN, Blockly.Constants.Text.TEXT_CHARAT_EXTENSION);